题目内容
（请给出正确答案）
[主观题]
It has a number of applications, ____________ may be mentioned its use in flash lamp
s.
A. among which
B. which
C. and which
D. each of which
答案
A
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题目内容
（请给出正确答案）
答案
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A. among which
B. which
C. and which
D. each of which
答案
A
如果结果不匹配，请 联系老师 获取答案
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